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Found two disks with the same number 0?!?

From: Sam Morris
Subject: Found two disks with the same number 0?!?
Date: Sat, 05 Jul 2008 14:00:23 +0100

On my raid1-using system, I get the following error at boot:

  error: Found two disks with the number 0?!?

Robert Millan suggested I apply a patch to print out the two disks with 
this problem; they are (hd1,2) and (hd3,2).

If I comment out this check then I can boot normally. Robert things GRUB 
is being too conservative here; perhaps this check should be removed?

Index: disk/raid.c
--- disk/raid.c (revision 1691)
+++ disk/raid.c (working copy)
@@ -440,18 +440,6 @@
          return 0;
-      if (array->device[sb.this_disk.number] != NULL)
-       {
-         /* We found multiple devices with the same number. Again,
-            this shouldn't happen.*/
-         grub_error (GRUB_ERR_BAD_NUMBER,
-                     "Found two disks with the number %d?!?",
-                     sb.this_disk.number);
-         return 0;
-       }
   /* Add an array to the list if we didn't find any.  */

Sam Morris
PGP key id 1024D/5EA01078
3412 EA18 1277 354B 991B  C869 B219 7FDB 5EA0 1078

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